Cisco Cisco Packet Data Interworking Function (PDIF)
P-GW Changes in Release 16
P-GW Enhancements for 16.0 ▀
Release Change Reference, StarOS Release 16 ▄
343
CSCua47367, CSCuh30602 - Enhance PGW to report exact failure resulting in
CC 73
Feature Changes
Additional Statistics for Cause Code 73: No Resource Available
In many scenarios, the P-GW responds to a Create Session Request by sending a Create Session Response with a Cause
Code 73 (NO RESOURCE AVAILABLE), thereby rejecting the session attempt. Cause Code 73 can be sent for
multiple reasons.
Code 73 (NO RESOURCE AVAILABLE), thereby rejecting the session attempt. Cause Code 73 can be sent for
multiple reasons.
In this release, new bulk statistics have been introduced to further identify the exact sub-causes of error Cause Code 73.
The output of
show pgw-service statistics all verbose
has also been enhanced to show counters for Cause
Code 73 sub-causes.
Important:
These counters are cumulative of GGSN and P-GW. GGSN responds to a Create PDP Context
Request by sending a Create PDP Context Response with a Cause Code 73 (NO RESOURCE AVAILIABLE), similar
to P-GW.
to P-GW.
Customer Impact: Enhanced statistics will help operators know the exact cause for rejection of the PDN setup at the
P-GW and thereby assist in identifying issues.
P-GW and thereby assist in identifying issues.
Performance Indicator Changes
P-GW Schema
The following new statistics have been added to show sub-causes of error cause CC73 (no resource available).
sessstat-bearrej-nores-s6brad-ip
sessstat-bearrej-nores-ims-auth-failed
sessstat-bearrej-nores-chrgsvc-auth-failed
sessstat-bearrej-nores-dhcp-ip-failed
sessstat-bearrej-nores-setup-timeout
sessstat-bearrej-nores-aaa-auth-exceed
sessstat-bearrej-nores-no-sess-aaa
sessstat-bearrej-nores-conflict-ip-addr
sessstat-bearrej-nores-static-ip
sessstat-bearrej-nores-msreq-invalid-ip
sessstat-bearrej-nores-other-reason
SAEGW Schema
The following new statistics have been added to show sub-causes of error cause CC73 (no resource available).
pgw-sessstat-bearrej-nores-s6brad-ip